結果
問題 | No.1831 Parasol |
ユーザー | shojin_pro |
提出日時 | 2022-02-04 23:10:06 |
言語 | Java21 (openjdk 21) |
結果 |
WA
|
実行時間 | - |
コード長 | 4,848 bytes |
コンパイル時間 | 3,955 ms |
コンパイル使用メモリ | 92,600 KB |
実行使用メモリ | 62,852 KB |
最終ジャッジ日時 | 2024-06-11 12:44:33 |
合計ジャッジ時間 | 9,992 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | WA | - |
testcase_01 | WA | - |
testcase_02 | WA | - |
testcase_03 | WA | - |
testcase_04 | WA | - |
testcase_05 | WA | - |
testcase_06 | WA | - |
testcase_07 | WA | - |
testcase_08 | WA | - |
testcase_09 | WA | - |
testcase_10 | WA | - |
testcase_11 | WA | - |
testcase_12 | WA | - |
testcase_13 | WA | - |
testcase_14 | WA | - |
testcase_15 | WA | - |
testcase_16 | WA | - |
testcase_17 | WA | - |
testcase_18 | WA | - |
testcase_19 | AC | 69 ms
38,512 KB |
ソースコード
import java.util.*; import java.io.*; public class Main { static FastScanner sc = new FastScanner(System.in); static PrintWriter pw = new PrintWriter(System.out); static StringBuilder sb = new StringBuilder(); static long mod = (long) 1e9 + 7; public static void main(String[] args) throws Exception { solve(); pw.flush(); } public static void solve() { int N = sc.nextInt(); int patch = N*2-1; int total = N*patch; int[] arr = new int[patch+1]; for(int i = 0; i <= patch; i++){ arr[i] = i; } ArrayList<String> ans = new ArrayList<>(); for(int i = 1; i <= patch; i++){ for(int j = patch; j >= 1; j--){ for(int k = patch; k >= 1; k--){ if(arr[i] == 0 || arr[j] == 0 || arr[k] == 0 || i == j || j == k || k == i){ continue; } total-=3; arr[i]--; arr[j]--; arr[k]--; ans.add(i + " " + j + " " + k); if(arr[i] == 0 || arr[j] == 0) break; } if(arr[i] == 0) break; } } if(total >= 3){ ArrayList<Integer> rem = new ArrayList<>(); for(int i = 1; i <= patch; i++){ if(arr[i] != 0) rem.add(i); } if(rem.size() >= 3){ ans.add(rem.get(0) + " " + rem.get(1) + " " + rem.get(2)); } } pw.println(ans.size()); for(String s : ans) pw.println(s); } public static int quest(int v) { sb.append("?").append(" ").append(v); System.out.println(sb.toString()); sb.setLength(0); return sc.nextInt(); } public static void answer(int v1, int v2) { sb.append("!").append(" ").append(v1).append(" ").append(v2); System.out.println(sb.toString()); sb.setLength(0); return; } static class GeekInteger { public static void save_sort(int[] array) { shuffle(array); Arrays.sort(array); } public static int[] shuffle(int[] array) { int n = array.length; Random random = new Random(); for (int i = 0, j; i < n; i++) { j = i + random.nextInt(n - i); int randomElement = array[j]; array[j] = array[i]; array[i] = randomElement; } return array; } public static void save_sort(long[] array) { shuffle(array); Arrays.sort(array); } public static long[] shuffle(long[] array) { int n = array.length; Random random = new Random(); for (int i = 0, j; i < n; i++) { j = i + random.nextInt(n - i); long randomElement = array[j]; array[j] = array[i]; array[i] = randomElement; } return array; } } } class FastScanner { private BufferedReader reader = null; private StringTokenizer tokenizer = null; public FastScanner(InputStream in) { reader = new BufferedReader(new InputStreamReader(in)); tokenizer = null; } public FastScanner(FileReader in) { reader = new BufferedReader(in); tokenizer = null; } public String next() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { tokenizer = new StringTokenizer(reader.readLine()); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken(); } public String nextLine() { if (tokenizer == null || !tokenizer.hasMoreTokens()) { try { return reader.readLine(); } catch (IOException e) { throw new RuntimeException(e); } } return tokenizer.nextToken("\n"); } public long nextLong() { return Long.parseLong(next()); } public int nextInt() { return Integer.parseInt(next()); } public double nextDouble() { return Double.parseDouble(next()); } public String[] nextArray(int n) { String[] a = new String[n]; for (int i = 0; i < n; i++) a[i] = next(); return a; } public int[] nextIntArray(int n) { int[] a = new int[n]; for (int i = 0; i < n; i++) a[i] = nextInt(); return a; } public long[] nextLongArray(int n) { long[] a = new long[n]; for (int i = 0; i < n; i++) a[i] = nextLong(); return a; } }